Giant Formosan Lily
Lilium formosanum 'Giant Form'
Essentials
At a Glance
Plant Type
Bulb Corm Tuber
Height
72 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
6, 7, 8, 9
Water
Moderate
Humidity
Moderate
Lifespan
5-7 years
Native To
Asia
Toxicity
Extremely toxic to cats. All parts of the plant are poisonous.
The Story
Plant Bio
A tall perennial lily known for its large, fragrant flowers. This cultivar is noted for its exceptional height and large blooms.
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck bulbs 4-6 inches deep in well-draining soil in early fall.
- Mist the soil lightly to keep it moist during germination.
- Water regularly but avoid waterlogging, especially in winter.
- Stake tall stems to prevent toppling in windy areas.
- Apply a layer of mulch to insulate roots during cold months.
- Remove faded blooms to encourage further flowering and prevent seed formation.
Pro Tip
Plant lilies in a sunny spot with well-draining soil for best blooms.
Keep It Thriving
Care Guide
Do
- Provide full sun for at least 6 hours daily 🌞
- Water consistently during active growth periods 💧
- Apply balanced fertilizer in early spring and after flowering
- Mulch to conserve moisture and regulate soil temperature
- Stake tall varieties to support heavy blooms
Don't
- Don't plant in waterlogged soil ❌
- Avoid disturbing bulbs once planted
- Refrain from overwatering during dormancy
- Don't cut back foliage until it yellows naturally 🍂
- Avoid using high nitrogen fertilizers, which can promote foliage over flowers
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Pest Check | ||||||||||||
| Plant | ||||||||||||
| Stake |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Giant Formosan Lily questions
What zones can Giant Formosan Lily grow in?
Giant Formosan Lily is hardy in USDA Zones 6–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Giant Formosan Lily deer resistant?
Not reliably. Deer may browse Giant Formosan Lily, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Giant Formosan Lily bloom?
Giant Formosan Lily typically blooms in late summer to fall through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Giant Formosan Lily need full sun?
Giant Formosan Lily does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Lilium to compare
Tree Lily
Lilium x hybrida 'Tree Mix'
Wood Lily
Lilium philadelphicum
Tiger Lily
Lilium lancifolium
Canada Lily 'Reverend Walker'
Lilium canadense 'Reverend Walker'
Stargazer Lily
Lilium lancifolium 'Stargazer'
Michigan Lily
Lilium michiganense
Keep exploring
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Hardy in your zone?
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